ht82a836r Holtek Semiconductor Inc., ht82a836r Datasheet - Page 45
ht82a836r
Manufacturer Part Number
ht82a836r
Description
Usb Audio Mcu
Manufacturer
Holtek Semiconductor Inc.
Datasheet
1.HT82A836R.pdf
(77 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HT82A836R
Manufacturer:
HOLTEK/合泰
Quantity:
20 000
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Digital Programmable Gain Amplifier - PGA
The device includes a fully integrated Programmable
Gain Amplifier, otherwise known as the PGA. The PGA
is a digital amplifier used to amplify the 16-bit data that
comes from the PCM A/D Converter (REC_MODE
(2FH.0)=0) or from the RECORD_IN_H and RE-
CORD_IN_L (REC_MODE (2FH.0)=1).
Rev. 1.00
Programmable Gain Amplifier Control Register - PGA_CTRL
PGA Block Diagram
45
The PGA function is controlled using the PGA_CTRL
register within which there is six bits to control the gain
value. This gain value ranges from 0dB up to a maxi-
mum of 19.5dB, in steps of 0.5dB, and is selected using
the PGA0~PGA5 bits.
HT82A836R
March 20, 2008
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